/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.gds.core.loading.construction;

import org.junit.jupiter.api.Test;
import org.neo4j.gds.NodeLabel;

import static org.assertj.core.api.Assertions.assertThat;

class NodeLabelTokensTest {

    @Test
    void testStream() {
        var aLabel = NodeLabel.of("A");
        var bLabel = NodeLabel.of("B");
        var cLabel = NodeLabel.of("C");

        assertThat(NodeLabelTokens.empty().nodeLabels()).isEmpty();
        assertThat(NodeLabelTokens.ofNodeLabel(aLabel).nodeLabels()).contains(aLabel);
        assertThat(
            NodeLabelTokens.ofNodeLabels(aLabel, bLabel, cLabel).nodeLabels()
        ).contains(aLabel, bLabel, cLabel);
        assertThat(
            NodeLabelTokens.ofStrings(aLabel.name(), bLabel.name(), cLabel.name()).nodeLabels()
        ).contains(aLabel, bLabel, cLabel);
    }

}
